#1C424B#1C424B

#1C424B is a dark, muted cyan. Relative luminance 0.047; OKLCH L 35.6% C 0.046 H 215.4°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#1C424B
RGB	rgb(28, 66, 75)
HSL	hsl(191, 46%, 20%)
HSV	hsv(191, 63%, 29%)
CMYK	cmyk(62.7%, 12%, 0%, 70.6%)
CIE-LAB	lab(25.72, -10.41, -9.54)
CIE-LCH	lch(25.72, 14.12, 222.51°)
OKLab	oklab(35.55% -0.0372 -0.0264)
OKLCH	oklch(35.55% 0.046 215.4)
XYZ	xyz(3.6966, 4.6510, 7.3582)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C424B #4B251C

analogous

#1C4B3C #1C424B #1C2B4B

triadic

#1C424B #4B1C42 #424B1C

tetradic

#1C424B #3C1C4B #4B251C #2B4B1C

square

#1C424B #3C1C4B #4B251C #2B4B1C

split-complementary

#1C424B #4B1C2B #4B3C1C

monochromatic

#081416 #0B1B1E #1C424B #2D6978 #3D90A4

Accessibility & contrast

On white

10.88

#1C424B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1C424B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C424B

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C424B	#FFFFFF	#000000	##FFFFFF
##1C424B	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C404C

Deuteranopia (green-blind)

#353B4B

Tritanopia (blue-blind)

#004545

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1c424b;
/* rgb */ color: rgb(28, 66, 75);
/* oklch */ color: oklch(35.6% 0.046 215.4);

Tailwind

colors: {
  custom: {
    50: '#5d767d',
    500: '#1c424b',
    950: '#000000',
  },
}

SCSS

$custom: #1c424b;
$custom-light: #5d767d;
$custom-dark: #000000;

JSON

{
  "hex": "#1c424b",
  "rgb": {
    "r": 28,
    "g": 66,
    "b": 75
  },
  "hsl": {
    "h": 191.489,
    "s": 45.631,
    "l": 20.196
  },
  "oklch": {
    "l": 0.35553,
    "c": 0.04562,
    "h": 215.4
  },
  "luminance": 0.04651
}

Semantic roles & 50–950 ramp

primary

#1C424B

secondary

#814E42

accent

#6C52D5

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #1C424B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →